1-OCTADECANETHIOL (ICSC)

1-OCTADECANETHIOL	ICSC: 1622

Date of Peer Review: April 2006

Stearyl mercaptan
n-Octadecyl mercaptan
1-Octadecyl mercaptan
1-Mercaptooctadecane
n-Octadecanethiol

CAS #	2885-00-9	C₁₈H₃₈S / CH₃-(CH₂)₁₇-SH
RTECS #		Molecular mass: 286.6
UN #
EC/EINECS #	220-744-1

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION

EXPOSURE
Inhalation		Ventilation.	Fresh air, rest.
Skin		Protective gloves.	Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety spectacles	First rinse with plenty of water (remove contact lenses if easily possible).
Ingestion	Headache. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL

PACKAGING & LABELLING

Sweep or shovel up spilled substance and remove to safe place.

EMERGENCY RESPONSE

STORAGE

Separated from strong oxidants, strong acids, bases and strong reducing agents.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities © IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK

1-OCTADECANETHIOL

ICSC: 1622

IMPORTANT DATA

PHYSICAL STATE; APPEARANCE:
OILY, WHITE SOLID IN VARIOUS FORMS , WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
Reacts violently with oxidants, reducing agents, strong acids and strong bases. The substance decomposes on heating producing toxic and corrosive fumes, including hydrogen sulfide and sulfur oxides.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.

INHALATION RISK:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is mildly irritating to the eyes

PHYSICAL PROPERTIES

Boiling point (decomposes): 366°C
Melting point: 24-31°C
Relative density (water = 1): 0.85
Solubility in water: none

Flash point: 185°C c.c.
Octanol/water partition coefficient as log Pow: 9.12 (estimated)

ENVIRONMENTAL DATA

NOTES

Health effects of exposure to the substance have not been investigated adequately. Environmental effects from the substance have not been investigated adequately.

ADDITIONAL INFORMATION

LEGAL NOTICE

Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information

    See Also:
       Toxicological Abbreviations